Chapter 2: Structure of Atom
Electrons, Protons, and Bohr Model.
Electron (e⁻)
J.J. Thomson
-1.6 × 10⁻¹⁹ C
Proton (p⁺)
E. Rutherford
+1.6 × 10⁻¹⁹ C
Neutron (n)
James Chadwick
Neutral
Bohr's Model Postulate
"Electrons revolve around the nucleus in fixed circular paths called orbits or shells (K, L, M, N)."